Home / 1,255,555.90-1,883,050.26-356,978.08

Finding the Fourth Proportional to 1,255,555.90, 1,883,050.26 and 356,978.08

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Solution

The fourth proportional to 1,255,555.90, 1,883,050.26 and 356,978.08 is: 535,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,555.90 : 1,883,050.26 = 356,978.08 : x
  2. Step 2: Convert to fraction form
    1,255,555.90/1,883,050.26 = 356,978.08/x
  3. Step 3: Cross multiply
    1,255,555.90x = 1,883,050.26 × 356,978.08
  4. Step 4: Simplify right side
    1,255,555.90x = 672,207,666,358.30
  5. Step 5: Solve for x
    x = 672,207,666,358.30/1,255,555.90
  6. Step 6: Final answer
    x = 535,386.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.